By using the dropdown arrow, indicate, in each case, whether the source can be regarded as a primary, secondary or tertiary source.  

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The Raven by Edgar Allen Poe.  

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Art critique in Modern Painters by John Ruskin.  

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Oxford English Dictionary.  

A.
Secondary source

B.
Primary source

C.
Tertiary source

The Raven by Edgar Allen Poe: B. Primary source

Art critique in Modern Painters by John Ruskin: A. Secondary source

Oxford English Dictionary: C. Tertiary source

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The Raven by Edgar Allan Poe: Primary source

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Art critique in Modern Painters by John Ruskin: Secondary source

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Oxford English Dictionary: Tertiary source

To determine whether each source can be regarded as a primary, secondary, or tertiary source, we need to consider the nature and characteristics of each source.

1. "The Raven" by Edgar Allan Poe: Primary source.
"The Raven" is a poem written by Edgar Allan Poe himself. Primary sources are original works or firsthand accounts created or written by individuals who directly experienced or witnessed the events being described. As the author, Poe is the original creator of "The Raven," and it reflects his own thoughts and experiences.

2. Art critique in Modern Painters by John Ruskin: Secondary source.
Modern Painters, written by John Ruskin, contains an art critique, which is an analysis or evaluation of a work of art or artistic movement. Secondary sources are based on primary sources and interpret or analyze primary sources to provide additional insights, opinions, or perspectives. In this case, Ruskin's art critique in Modern Painters is an interpretation and analysis of artwork, making it a secondary source.

3. Oxford English Dictionary: Tertiary source.
The Oxford English Dictionary (OED) is a comprehensive reference work that provides definitions, meanings, and the historical development of words. Tertiary sources are summaries or compilations of primary and secondary sources. In the case of the OED, it compiles information from a wide range of primary and secondary sources and presents it in a consolidated and comprehensive form, making it a tertiary source.